unit ContantUnit;

interface

uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, StdCtrls;

type
  TContantForm = class(TForm)
    mmo: TMemo;
    btn: TButton;
    procedure btnClick(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  ContantForm: TContantForm;

implementation

{$R *.dfm}

procedure TContantForm.btnClick(Sender: TObject);
begin
  ModalResult := mrOK;
end;

end.
